45532731 has 8 divisors (see below), whose sum is σ = 61616704. Its totient is φ = 29901960.

The previous prime is 45532727. The next prime is 45532763. The reversal of 45532731 is 13723554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45532731 - 2² = 45532727 is a prime.

It is a super-2 number, since 2×45532731² = 4146459184636722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45532771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113065 + ... + 113466.

It is an arithmetic number, because the mean of its divisors is an integer number (7702088).

Almost surely, 2^45532731 is an apocalyptic number.

45532731 is a deficient number, since it is larger than the sum of its proper divisors (16083973).

45532731 is a wasteful number, since it uses less digits than its factorization.

45532731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226601.

The product of its digits is 12600, while the sum is 30.

The square root of 45532731 is about 6747.7945285849. The cubic root of 45532731 is about 357.0874331746.

The spelling of 45532731 in words is "forty-five million, five hundred thirty-two thousand, seven hundred thirty-one".